Thu Mar 8 22:13:32 2012 UTC ()
Add sem_timedwait to NAME and fix SYNOPSIS. Add serial comma.


(wiz)
diff -r1.2 -r1.3 src/lib/librt/sem_wait.3

cvs diff -r1.2 -r1.3 src/lib/librt/sem_wait.3 (expand / switch to unified diff)

--- src/lib/librt/sem_wait.3 2012/03/08 21:59:29 1.2
+++ src/lib/librt/sem_wait.3 2012/03/08 22:13:32 1.3
@@ -1,14 +1,14 @@ @@ -1,14 +1,14 @@
1.\" $NetBSD: sem_wait.3,v 1.2 2012/03/08 21:59:29 joerg Exp $ 1.\" $NetBSD: sem_wait.3,v 1.3 2012/03/08 22:13:32 wiz Exp $
2.\" 2.\"
3.\" Copyright (C) 2000 Jason Evans <jasone@FreeBSD.org>. 3.\" Copyright (C) 2000 Jason Evans <jasone@FreeBSD.org>.
4.\" All rights reserved. 4.\" All rights reserved.
5.\" 5.\"
6.\" Redistribution and use in source and binary forms, with or without 6.\" Redistribution and use in source and binary forms, with or without
7.\" modification, are permitted provided that the following conditions 7.\" modification, are permitted provided that the following conditions
8.\" are met: 8.\" are met:
9.\" 1. Redistributions of source code must retain the above copyright 9.\" 1. Redistributions of source code must retain the above copyright
10.\" notice(s), this list of conditions and the following disclaimer as 10.\" notice(s), this list of conditions and the following disclaimer as
11.\" the first lines of this file unmodified other than the possible 11.\" the first lines of this file unmodified other than the possible
12.\" addition of one or more copyright notices. 12.\" addition of one or more copyright notices.
13.\" 2. Redistributions in binary form must reproduce the above copyright 13.\" 2. Redistributions in binary form must reproduce the above copyright
14.\" notice(s), this list of conditions and the following disclaimer in 14.\" notice(s), this list of conditions and the following disclaimer in
@@ -22,36 +22,37 @@ @@ -22,36 +22,37 @@
22.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 22.\" LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 23.\" CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR 24.\" SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
25.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 25.\" BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
26.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 26.\" WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
27.\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, 27.\" OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
28.\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29.\" 29.\"
30.Dd February 29, 2012 30.Dd February 29, 2012
31.Dt SEM_WAIT 3 31.Dt SEM_WAIT 3
32.Os 32.Os
33.Sh NAME 33.Sh NAME
34.Nm sem_wait , 34.Nm sem_wait ,
 35.Nm sem_timedwait ,
35.Nm sem_trywait 36.Nm sem_trywait
36.Nd decrement (lock) a semaphore 37.Nd decrement (lock) a semaphore
37.Sh LIBRARY 38.Sh LIBRARY
38.Lb librt 39.Lb librt
39.Sh SYNOPSIS 40.Sh SYNOPSIS
40.In semaphore.h 41.In semaphore.h
41.Ft int 42.Ft int
42.Fn sem_wait "sem_t *sem" 43.Fn sem_wait "sem_t *sem"
43.Ft int 44.Ft int
44.Fn sem_wait "sem_t *sem" "const struct timespec * restrict abstime" 45.Fn sem_timedwait "sem_t *sem" "const struct timespec * restrict abstime"
45.Ft int 46.Ft int
46.Fn sem_trywait "sem_t *sem" 47.Fn sem_trywait "sem_t *sem"
47.Sh DESCRIPTION 48.Sh DESCRIPTION
48The 49The
49.Fn sem_wait 50.Fn sem_wait
50function decrements (locks) the semaphore pointed to by 51function decrements (locks) the semaphore pointed to by
51.Fa sem , 52.Fa sem ,
52but blocks if the value of 53but blocks if the value of
53.Fa sem 54.Fa sem
54is zero, until the value is non-zero and the value can be decremented. 55is zero, until the value is non-zero and the value can be decremented.
55.Pp 56.Pp
56The 57The
57.Fn sem_timedwait 58.Fn sem_timedwait
@@ -61,27 +62,27 @@ for the value of @@ -61,27 +62,27 @@ for the value of
61.Fa sem 62.Fa sem
62to be non-zero. 63to be non-zero.
63.Pp 64.Pp
64The 65The
65.Fn sem_trywait 66.Fn sem_trywait
66function decrements (locks) the semaphore pointed to by 67function decrements (locks) the semaphore pointed to by
67.Fa sem 68.Fa sem
68only if the value is non-zero. 69only if the value is non-zero.
69Otherwise, the semaphore is not decremented and an error is returned. 70Otherwise, the semaphore is not decremented and an error is returned.
70.Sh RETURN VALUES 71.Sh RETURN VALUES
71.Rv -std sem_wait 72.Rv -std sem_wait
72.Sh ERRORS 73.Sh ERRORS
73.Fn sem_wait , 74.Fn sem_wait ,
74.Fn sem_timedwait 75.Fn sem_timedwait ,
75and 76and
76.Fn sem_trywait 77.Fn sem_trywait
77will fail if: 78will fail if:
78.Bl -tag -width Er 79.Bl -tag -width Er
79.It Bq Er EINVAL 80.It Bq Er EINVAL
80.Fa sem 81.Fa sem
81points to an invalid semaphore. 82points to an invalid semaphore.
82.El 83.El
83.Pp 84.Pp
84Additionally, 85Additionally,
85.Fn sem_trywait 86.Fn sem_trywait
86will fail if: 87will fail if:
87.Bl -tag -width Er 88.Bl -tag -width Er